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APM Professional Telescopes

1m F/8 Ritchey Chrétien with dual Nasmyth Foci, Cape Town (South Africa)

Another large telescope for the South African Astronomical Observatory (SAAO). An 1m F/8 Alt-Az mounted Ritchey Chrétien for robotic use. It has dual Nasmyth Foci. The main telescopes used for research are located at the SAAO observing station (32°22.795’S 20°48,657’E) near Sutherland in the Northern Cape, a 4-hour drive from Cape Town.

Astronomy is our job

Observatory Telescopes

Big prime focus telescopes for private or public observatories including installation and full service.

Robotic / Remote

Robotic instruments for automatic imaging or telescopes for remote observation.

UVEX Spectrograph

Uvex Spectrograph

The UVEX is a “crossed” Czerny-Turner spectroscope optimized for wavelengths from near UV (<350nm) to near IR (1µm).

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Diffraction Limited CCD Kameras

Aluma CCD 695 a

Our most popular camera, the SBIG Aluma AC4040 is a large format Scientific CMOS camera, featuring a 16.8 megapixel sensor with 9 micron pixels. The camera is compatible with the StarChaser SC-4 Guider and optional AO-X Adaptive Optics accessories.

Diffraction Limited Overview

Astroshell Dome 4.25 m

CLAMSHELL DOMES provide an unparalleled 360/180 degree field of view for an absolutely breathtaking nighttime experience. When this observatory dome opens, you are truly among the stars!

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Product enquiries

Inquiry now

Please make your enquiries about the products you require here. We will contact you as soon as possible with a customised quote.

Telescope Systems

ASA DDM500

THE DDM500, THE LARGEST STANDARD MOUNT WITH ASA Direct Drive Technology AND ABSOLUTE ENCODERS AVAILABLE WORLDWIDE.

Over 15 years of experience went into the design of the DDM500. Ready to carry large aperture telescopes with the highest level of pointing and tracking accuracy. Load capacity is 500kg/1100lbs on a custom-built pier. The ASA DDM500 is the perfect workhorse for all areas of research ranging from astronomical observations to laser communication and satellite tracking.

Type	Alt-Azimuth (separate addon) / Equatorial
Motor	ASA Direct Drive
Max. load capacity	500kg (1102lbs)
Power supply	Included 24 volts
Max. slew speeds	Up to 50 degrees per second
Tracking Accuracy (20° to 85°)	<0,25” RMS within 5 minutes tracking time over 5 min 0,05” RMS/min
Dual mounting (TWIN)	Yes 2x500Kg
Latitude Range	0 to 90 degrees
0 to 90 degrees	281kg (620lbs)
ASA Software	ASA API (application programming interface) available autumn 2023 ASA Software(Autoslew, Sequence-windows based) with ASCOM-Alpaca
Pointing Accuracy (20° to 85°)	<8” RMS with pointing model and ASA telescope
System Natural Frequency	10 Hz or greater

Technical Details

Electronic

Our closed loop direct drive systems, sensor technology and observatory safety modules play a major role in achieving optimum results. All moving accessory components are equipped with high-resolution encoders and closed-loop feedback systems. We provide event timer modules, and customer updatable firmware.

Technologie

Our mounts are manufactured with the lastest CNC technology.

Software

Platform independent control software.

Direct Drive

No gears NO belts. Precise closed loop control.
We developed our own direct drive controller and motor system. No gears or belts are needed, there is no transmission no periodic error or backlash.

More Products


ASA DDM100 Mount	ASA DDM200 Mount

APM Professional Telescopes

1m F/8 Ritchey Chrétien with dual Nasmyth Foci, Cape Town (South Africa)

Another large telescope for the South African Astronomical Observatory (SAAO). An 1m F/8 Alt-Az mounted Ritchey Chrétien for robotic use. It has dual Nasmyth Foci. The main telescopes used for research are located at the SAAO observing station (32°22.795’S 20°48,657’E) near Sutherland in the Northern Cape, a 4-hour drive from Cape Town.